Pull it shut or open with the hand, assisted by a spring. Rotate a removable prolonged pole To place the shutter up or down. Pulling a strap or turn a crank box to work the shutter. Rather than danger producing the existing difficulty Substantially even worse, have your roller https://raymondyvxyl.pointblog.net/24-7-all-doors-and-roller-shutter-repairs-fundamentals-explained-67764456